tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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drm/amd/display: Fix gamma 2.2 colorop TFs

Use GAMMA22 for degamma/blend and GAMMA22_INV for shaper so
curves match the color pipeline.

Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/5016
Tested-by: Xaver Hugl <xaver.hugl@kde.org>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit d8f9f42effd767ffa7bbcd7e05fbd6b20737e468)

authored by

Alex Hung and committed by
Alex Deucher b4981403 f338e773

+3 -3
+3 -3
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_colorop.c
··· 37 37 BIT(DRM_COLOROP_1D_CURVE_SRGB_EOTF) | 38 38 BIT(DRM_COLOROP_1D_CURVE_PQ_125_EOTF) | 39 39 BIT(DRM_COLOROP_1D_CURVE_BT2020_INV_OETF) | 40 - BIT(DRM_COLOROP_1D_CURVE_GAMMA22_INV); 40 + BIT(DRM_COLOROP_1D_CURVE_GAMMA22); 41 41 42 42 const u64 amdgpu_dm_supported_shaper_tfs = 43 43 BIT(DRM_COLOROP_1D_CURVE_SRGB_INV_EOTF) | 44 44 BIT(DRM_COLOROP_1D_CURVE_PQ_125_INV_EOTF) | 45 45 BIT(DRM_COLOROP_1D_CURVE_BT2020_OETF) | 46 - BIT(DRM_COLOROP_1D_CURVE_GAMMA22); 46 + BIT(DRM_COLOROP_1D_CURVE_GAMMA22_INV); 47 47 48 48 const u64 amdgpu_dm_supported_blnd_tfs = 49 49 BIT(DRM_COLOROP_1D_CURVE_SRGB_EOTF) | 50 50 BIT(DRM_COLOROP_1D_CURVE_PQ_125_EOTF) | 51 51 BIT(DRM_COLOROP_1D_CURVE_BT2020_INV_OETF) | 52 - BIT(DRM_COLOROP_1D_CURVE_GAMMA22_INV); 52 + BIT(DRM_COLOROP_1D_CURVE_GAMMA22); 53 53 54 54 #define MAX_COLOR_PIPELINE_OPS 10 55 55